If you are experiencing a medical emergency please dial 911 immediately
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A sinus headache can be caused by an infection (bacterial or viral) or from allergies. Signs that you have a sinus infection include:
Last Revised: April 17, 2012
Author: Healthwise Staff
Medical Review: William H. Blahd, Jr., MD, FACEP - Emergency Medicine & H. Michael O'Connor, MD - Emergency Medicine
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